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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 14 |
| 4 | 34 |
| 5 | 103 |
| 6 | 228 |
| 7 | 665 |
| 8 | 2096 |
| 9 | 4787 |
| 10 | 14239 |
| 11 | 31330 |
| 12 | 91728 |
| 13 | 199328 |
| 14 | 580128 |
| 15 | 1834665 |
| 16 | 4223092 |
| 17 | 12667903 |
| 18 | 28207395 |
| 19 | 83435822 |
| 20 | 267154051 |
| 21 | 623837740 |
| 22 | 1891453021 |
| 23 | 4265101202 |
| 24 | 12735718304 |
| 25 | 28359351604 |
| 26 | 84126071303 |
| 27 | 270338873771 |
| 28 | 634653510356 |
| 29 | 1933488496208 |
[1,4,14,34,103,228,665,2096,4787,14239,31330, 91728,199328,580128,1834665,4223092,12667903, 28207395,83435822,267154051,623837740,1891453021, 4265101202,12735718304,28359351604,84126071303, 270338873771,634653510356,1933488496208] |